mercurial.el: fix hg-outgoing path when 'default-push' is not defined
hg-outgoing path is set as 'default-push' which prevents it from working in
repos which only have 'default' defined.
Fix provided by Kyujin Shim at
http://alexott.net/en/writings/emacs-vcs/EmacsMercurial.html
--- a/contrib/mercurial.el Wed Oct 20 17:06:42 2010 -0500
+++ b/contrib/mercurial.el Wed Oct 20 18:15:47 2010 +0530
@@ -145,7 +145,7 @@
:type 'string
:group 'mercurial)
-(defcustom hg-outgoing-repository "default-push"
+(defcustom hg-outgoing-repository ""
"The repository to which changes are pushed to by default.
This should be a symbolic repository name, since it is used for all
repository-related commands."